A Distance-Regular Graph with Strongly Closed Subgraphs

Journal of Algebraic Combinatorics

Volumn 14, Issue 2, 2001, Pages 127-131

  Hiraki, Akira ^a  

^a OSAKA KYOIKU UNIVERSITY   (Japan)

Author keywords

Distance regular graph; Strongly closed subgraph

Indexed keywords

EID: 0035455679     PISSN: 09259899     EISSN: None     Source Type: Journal    
DOI: 10.1023/A:1011933828085     Document Type: Article

References (12)

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2. A.E. Brouwer, A.M. Cohen, and A. Neumaier, Distance-Regular Graphs, Springer Verlag, Berlin, Heidelberg, 1989.
3. Y.L. Chen and A. Hiraki, "On the non-existence of certain distance-regular graphs," Kyushu J. Math. 53 (1999), 1-15.
4. A. Hiraki, "An improvement of the Boshier-Nomura bound, J. Comb. Theory Ser. B 61 (1994), 1-4.
5. A. Hiraki, "Distance-regular subgraphs in a distance-regular graph, I-II," Europ. J. Combin. 16 (1995), 589-602, 603-615.
6. A. Hiraki, "Distance-regular subgraphs in a distance-regular graph, V," Europ. J. Combin. 19 (1998), 141-150.
7. A. Hiraki, "Distance-regular subgraphs in a distance-regular graph, VI," Europ. J. Combin. 19 (1998), 953-965.
8. A. Hiraki, "Strongly closed subgraphs in a regular thick near polygon," Europ. J. Combin. 20 (1999), 789-796.
9. A. Hiraki, "A characterization of the doubled Grassmann graphs, the doubled Odd graphs, and the Odd graphs by strongly closed subgraphs," preprint.
10. A. Hiraki and J. Koolen, "An improvement of the Ivanov bound," Ann. Combin. 2 (1998), 131-135.
11. A. Hiraki and J. Koolen, "An improvement of the Godsil bound," To appear in Ann. Combin.
12. H. Suzuki, "On strongly closed subgraphs of highly regular graphs," Europ. J. Combin. 16 (1995), 197-220.